What causes persistent redness, swelling, and congestion in the throat, and how should it be managed?
Nov 27, 2025
Source: Cainiu Health
Dr. Lu Cheng
Introduction
In general, persistent redness, swelling, and congestion in the throat may be caused by factors such as irritating diets, long-term smoking and excessive alcohol consumption, chronic pharyngitis, reflux laryngitis, or chronic tonsillitis. Depending on the specific situation, patients can improve their condition through general management, medication, surgical treatment, or other approaches. To maintain throat health, it is important to develop good habits, maintain regular sleep patterns, avoid staying up late, and strengthen the body's immune resistance.
Under normal circumstances, persistent redness, swelling, and congestion in the throat may be caused by factors such as poor dietary habits, long-term smoking or excessive alcohol consumption, chronic pharyngitis, reflux laryngitis, or chronic tonsillitis. Depending on their specific condition, patients can improve symptoms through general management, medication, or surgical treatment. A detailed analysis is as follows:
1. Poor dietary stimulation: Long-term consumption of spicy or excessively hot foods continuously irritates the throat mucosa, leading to recurrent mucosal congestion and swelling. Adjusting to a mild and bland diet, eating more fresh fruits and vegetables, and avoiding overly spicy or hot foods can reduce mucosal irritation.
2. Long-term smoking and excessive alcohol consumption: Harmful substances in tobacco and alcohol damage the throat mucosa and compromise its protective barrier, resulting in persistent congestion. It is essential to quit smoking and drinking immediately, avoid secondhand smoke, drink plenty of warm water to promote mucosal healing, and maintain good indoor ventilation.
3. Chronic pharyngitis: Prolonged inflammation damages the throat mucosa, causing dilation of blood vessels beneath the mucosa and recurrent redness and congestion. Under medical guidance, patients may take medications such as Yanyan Tablets, Qinghou Liyan Granules, or Xiguashuang Throat Lozenges, while also avoiding exposure to dust and irritating gases.
4. Reflux laryngitis: Frequent backflow of stomach acid into the throat corrodes the mucosa, triggering inflammation and prolonged congestion and swelling. Under medical supervision, patients may use rabeprazole sodium enteric-coated tablets, mosapride tablets, or hydrotalcite chewable tablets. Avoid eating within two hours before bedtime.
5. Chronic tonsillitis: Repeated infections cause inflammation in the tonsils, which may spread to the throat, resulting in persistent mucosal congestion. Under medical advice, patients may take cefaclor sustained-release tablets, Pudilan Anti-inflammatory Oral Liquid, or compound chlorhexidine mouthwash. In severe cases, tonsillectomy may be required.
To maintain throat health, it's important to develop healthy habits, maintain regular sleep patterns and avoid staying up late, and strengthen overall immunity. Consistently rinsing the mouth after meals helps keep the throat clean and reduces bacterial growth. If redness and congestion persist for more than two weeks, prompt medical attention is necessary to prevent chronic progression.
